39473258817 has 16 divisors (see below), whose sum is σ = 55739707200. Its totient is φ = 24761866752.

The previous prime is 39473258813. The next prime is 39473258833. The reversal of 39473258817 is 71885237493.

It is not a de Polignac number, because 39473258817 - 2² = 39473258813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39473258813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142309 + ... + 314957.

It is an arithmetic number, because the mean of its divisors is an integer number (3483731700).

Almost surely, 2^39473258817 is an apocalyptic number.

It is an amenable number.

39473258817 is a deficient number, since it is larger than the sum of its proper divisors (16266448383).

39473258817 is a wasteful number, since it uses less digits than its factorization.

39473258817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177152.

The product of its digits is 10160640, while the sum is 57.

The spelling of 39473258817 in words is "thirty-nine billion, four hundred seventy-three million, two hundred fifty-eight thousand, eight hundred seventeen".